How do you write as a sum of unit fractions? Use the fraction strips to help.
9
11
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
1
9
+
1
9
+
1
9
+
1
9
+
1
9
+
1
9
+
1
9
+
1
9
+
1
9
+
1
9
+
1
9
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
+
1
11
ref_doc_title.
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